noun
: one of a pair of ganglia situated in the head or anterior part of the body in many invertebrates in front of or dorsal to the esophagus ; also : a median ganglion formed by the fusion of such a pair
noun
: one of a pair of ganglia situated in the head or anterior part of the body in many invertebrates in front of or dorsal to the esophagus ; also : a median ganglion formed by the fusion of such a pair
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012